National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

NWS Sacramento Changes to Public and Fire Weather Zones Coming April 16, 2026

Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

61°F

16°C

Humidity 63%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 27 Feb 03:00 AM PST
Extended Forecast for

13 Miles NE Mount Hamilton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Northwest wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. North wind around 7 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. North northwest wind 3 to 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming north around 6 mph in the morning.

    High: 72 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. West southwest wind around 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 69. North wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 50. North northwest wind 3 to 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming north around 6 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 45. West southwest wind around 7 mph.
Sunday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 62.
Sunday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
Last Update:
1:21 am PST Feb 27, 2026
Forecast Valid:
3am PST Feb 27, 2026-6pm PST Mar 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation